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- dnl Copyright (C) 1997-2022 Free Software Foundation, Inc.
- dnl
- dnl This program is free software; you can redistribute it and/or modify
- dnl it under the terms of the GNU General Public License as published by
- dnl the Free Software Foundation; either version 3 of the License, or
- dnl (at your option) any later version.
- dnl
- dnl This program is distributed in the hope that it will be useful,
- dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
- dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- dnl GNU General Public License for more details.
- dnl
- dnl You should have received a copy of the GNU General Public License
- dnl along with this program. If not, see <http://www.gnu.org/licenses/>.
- dnl
- dnl Setup the toolchain variables.
- AC_DEFUN([SIM_AC_TOOLCHAIN],
- [dnl
- AC_CANONICAL_SYSTEM
- AC_USE_SYSTEM_EXTENSIONS
- AC_REQUIRE([AC_PROG_CC])
- AC_REQUIRE([AC_PROG_CPP])
- AC_C_BIGENDIAN
- AC_ARG_PROGRAM
- AC_PROG_INSTALL
- AC_CHECK_TOOL(DTC, dtc)
- dnl Setup toolchain settings for build-time tools..
- if test "x$cross_compiling" = "xno"; then
- : "${AR_FOR_BUILD:=\$(AR)}"
- : "${CC_FOR_BUILD:=\$(CC)}"
- : "${RANLIB_FOR_BUILD:=\$(RANLIB)}"
- : "${CFLAGS_FOR_BUILD:=\$(CFLAGS)}"
- : "${LDFLAGS_FOR_BUILD:=\$(LDFLAGS)}"
- else
- : "${AR_FOR_BUILD:=ar}"
- : "${CC_FOR_BUILD:=gcc}"
- : "${RANLIB_FOR_BUILD:=ranlib}"
- : "${CFLAGS_FOR_BUILD:=-g -O}"
- : "${LDLFAGS_FOR_BUILD:=}"
- fi
- AC_SUBST(AR_FOR_BUILD)
- AC_SUBST(CC_FOR_BUILD)
- AC_SUBST(RANLIB_FOR_BUILD)
- AC_SUBST(CFLAGS_FOR_BUILD)
- AC_SUBST(LDFLAGS_FOR_BUILD)
- AC_SUBST(CFLAGS)
- AC_CHECK_TOOL(AR, ar)
- AC_PROG_RANLIB
- PKG_PROG_PKG_CONFIG
- # Require C11 or newer. Autoconf-2.70 provides ac_cv_prog_cc_c11 when using
- # AC_PROG_CC, but we're still using Autoconf-2.69, and the newest it understands
- # is C99. So handle it ourselves.
- m4_version_prereq([2.70], [AC_MSG_ERROR([clean this up!])], [:])
- C_DIALECT=
- AC_MSG_CHECKING([whether C11 is supported by default])
- AC_COMPILE_IFELSE([AC_LANG_SOURCE([
- #if !defined __STDC_VERSION__ || __STDC_VERSION__ < 201112L
- # error "C11 support not found"
- #endif
- ])], [AC_MSG_RESULT([yes])], [
- AC_MSG_RESULT([no])
- AC_MSG_CHECKING([for -std=c11 support])
- ac_save_CC="$CC"
- CC="$CC -std=c11"
- AC_COMPILE_IFELSE([AC_LANG_SOURCE([
- #if !defined __STDC_VERSION__ || __STDC_VERSION__ < 201112L
- # error "C11 support not found"
- #endif
- ])], [
- AC_MSG_RESULT([yes])
- CC="$ac_save_CC"
- C_DIALECT="-std=c11"
- ], [AC_MSG_ERROR([C11 is required])])])
- AC_SUBST(C_DIALECT)
- ])
- dnl
- AC_DEFUN([SIM_AC_CHECK_TOOLCHAIN_FOR_PRIMARY_TARGET],
- [dnl
- GCC_TARGET_TOOL([cc], [CC_FOR_TARGET], [CC], [${target_alias}-gcc])
- GCC_TARGET_TOOL([as], [AS_FOR_TARGET], [AS], [\$(abs_builddir)/../gas/as-new])
- GCC_TARGET_TOOL([ld], [LD_FOR_TARGET], [LD], [\$(abs_builddir)/../ld/ld-new])
- ])
- SIM_TOOLCHAIN_VARS=
- AC_SUBST(SIM_TOOLCHAIN_VARS)
- AC_DEFUN([_SIM_AC_TOOLCHAIN_FOR_TARGET],
- [dnl
- AC_REQUIRE([SIM_AC_CHECK_TOOLCHAIN_FOR_PRIMARY_TARGET])
- AC_ARG_VAR(AS_FOR_TARGET_$2, [Assembler for $1 tests])
- AC_ARG_VAR(LD_FOR_TARGET_$2, [Linker for $1 tests])
- AC_ARG_VAR(CC_FOR_TARGET_$2, [C compiler for $1 tests])
- m4_bmatch($1, [example-], [dnl
- : "${AS_FOR_TARGET_$2:=\$(AS_FOR_TARGET)}"
- : "${LD_FOR_TARGET_$2:=\$(LD_FOR_TARGET)}"
- : "${CC_FOR_TARGET_$2:=\$(CC)}"
- ], [dnl
- AS_IF([test "$SIM_PRIMARY_TARGET" = "$1"], [dnl
- : "${AS_FOR_TARGET_$2:=\$(AS_FOR_TARGET)}"
- : "${LD_FOR_TARGET_$2:=\$(LD_FOR_TARGET)}"
- : "${CC_FOR_TARGET_$2:=\$(CC_FOR_TARGET)}"
- ])
- ])
- AS_VAR_APPEND([SIM_TOOLCHAIN_VARS], [" AS_FOR_TARGET_$2 LD_FOR_TARGET_$2 CC_FOR_TARGET_$2"])
- ])
- AC_DEFUN([SIM_AC_TOOLCHAIN_FOR_TARGET],
- [_SIM_AC_TOOLCHAIN_FOR_TARGET($1, m4_toupper(m4_translit($1, [-], [_])))])
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